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added vcopysign()

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This commit is contained in:
Ahmet Inan 2021-06-26 08:00:52 +02:00
commit 6cddcef660
4 changed files with 73 additions and 0 deletions
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11
neon.hh
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@ -522,6 +522,17 @@ inline SIMD<int8_t, 16> vsign(SIMD<int8_t, 16> a, SIMD<int8_t, 16> b)
return tmp;
}
template <>
inline SIMD<float, 4> vcopysign(SIMD<float, 4> a, SIMD<float, 4> b)
{
SIMD<float, 4> tmp;
uint32x4_t negz = (uint32x4_t)vdupq_n_f32(-0.f);
tmp.m = (float32x4_t)vorrq_u32(
vbicq_u32((uint32x4_t)a.m, negz),
vandq_u32((uint32x4_t)b.m, negz));
return tmp;
}
template <>
inline SIMD<uint8_t, 16> vorr(SIMD<uint8_t, 16> a, SIMD<uint8_t, 16> b)
{